Home
Class 12
PHYSICS
A girl brings a positively charged rod n...

A girl brings a positively charged rod near a thin neutral stream of water from a tap. She observes that the water stream bends towards her. Instead, if she were to bring a negatively charged rod near to the steam, it will–

A

Bend in the same direction

B

Bend in the opposite direction

C

Not bend at all

D

Bend in the opposite direction above and below and rod

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART I (Chemistry)|2 Videos

Similar Questions

Explore conceptually related problems

In normal cases thin stream of water bends toward a negatively charged rod. When a positively charged rod is placed near the stream, it will bend in the

Two uncharged conducting spheres, A and B, are suspended from insulating threads so that they touch each other as shown in the figure. While a negatively charged rod is held near, but not touching sphere A, someone moves ball B away from A. How will the spheres be charged, if at all ?

Assertion: A positively charged rod is held near a neutral conducting solid sphere as illustrated below. The sphere lies on a insulated stand. The potential of ground (or earth) is zero. The potential at point A (point A need not be centre of the sphere) is higher compared to potential of gound (earth). Reason: In this situation of assertion, the potential at the centre of conducting sphere is positive. the solid sphere being conducting, potential at each point in the sphere is same.

If you bring a charged rod near dry cork dust, the rod attracts cork dust and then on touching the rod these cork dust particles are repelled away from the rod. Explain it.

The figure shows the commonly observed decrease in diameter of a water stream as it falls from a tap. The tap has internal diameter D_(0) and is connected toa large tank of water. The surface of the water is at a height b above the end of the tap. By considering the dynamics of a thin "cylinder" of water in the steam answer the following: (ignore any reistance to the flow and any effects of surface tansion, given rho_(w) = density of water) Equation for the stream diameter D in terms of x and D_(0) will be :

The figure shows the commonly observed decrease in diameter of a water stream as it falls from a tap. The tap has internal diameter D_(0) and is connected toa large tank of water. The surface of the water is at a height b above the end of the tap. By considering the dynamics of a thin "cylinder" of water in the steam answer the following: (ignore any reistance to the flow and any effects of surface tansion, given rho_(w) = density of water) A student observes after setting up this experiment that for a tap with D_(0) = 1 cm at x = 0.3 m the stream diameter D = 0.9 cm . The heights b of the water above the tap in this case will be:

What is the correct sequence of given steps to charge a body by conduction? (A) Bring this positively charged glass rod in contact with a (neutral) uncharged metallic body, because of this the metallic body also becomes positively charged. (B) Take a glass rod and rub it with silk cloth. (C) Some electrons move from the glass rod to the silk cloth because of this the glass and becomes positively charged.

KVPY PREVIOUS YEAR-KVPY-All Questions
  1. .(92)^(238)U atom distintgrates to .(84)^(214) Po with a half life of ...

    Text Solution

    |

  2. Which statements about the Rutherford model of the atom is NOT true ?

    Text Solution

    |

  3. A girl brings a positively charged rod near a thin neutral stream of w...

    Text Solution

    |

  4. In the circuit shown, n identical resistors R are connected in paralle...

    Text Solution

    |

  5. A firecracker is thrown with velocity of 30 ms^(-1) in a direction whi...

    Text Solution

    |

  6. A block of mass m is sliding down an inclined plane with constant spee...

    Text Solution

    |

  7. A circular loop of wire s in the same plane as an infinitely long wire...

    Text Solution

    |

  8. 150 g of ice is mixed with 100 g of water at temperature 80^(@)C. The...

    Text Solution

    |

  9. An ideal monatomic gas expands to twice its volume. If the process is ...

    Text Solution

    |

  10. The capacitor of capacitance C in the circuit shown in fully charged ...

    Text Solution

    |

  11. A liquid drop placed on a horizontal plane has a near spherical shape ...

    Text Solution

    |

  12. Seven identical coins are rigidly arranged on a flat table in the patt...

    Text Solution

    |

  13. A planet orbits in an elliptical path of eccentricity e around a massi...

    Text Solution

    |

  14. In a Young's double slit experiment the intensity of light at each sli...

    Text Solution

    |

  15. A loop carrying current I has the shape of a regular polygon of n side...

    Text Solution

    |

  16. A conducting rod of mass m and length l is free to move without fricti...

    Text Solution

    |

  17. A steady current I flows through a wire of radius r, length L and resi...

    Text Solution

    |

  18. The ratio of the speed of sound to the average speed of an air molecul...

    Text Solution

    |

  19. In one model of the electron, the electron of mass me is thought to ...

    Text Solution

    |

  20. A body is executing simple harmonic motion of amplitude a and period T...

    Text Solution

    |